import Vue from 'vue'
import axios from 'axios'
// import { Notification, MessageBox, Message } from 'element-ui'
import { Message } from 'element-ui'
import { Notification, MessageBox } from 'element-ui'
// import store from '@/store'
import { getToken } from '@/utils/auth'
import router from './index'
import store from '@/store'

axios.defaults.headers['Content-Type'] = 'application/json;charset=utf-8'
// 创建axios实例
const service = axios.create({
  // axios中请求配置有baseURL选项，表示请求URL公共部分
  baseURL: process.env.VUE_APP_BASE_API,
  // 超时
  timeout: 1 * 60 * 60 * 1000
})
Vue.prototype.$axios = service
window.axios = service

// request拦截器
service.interceptors.request.use(config => {
  // 是否需要设置 token
  const isToken = (config.headers || {}).isToken === false
  if (getToken() && !isToken) {
    config.headers['Authorization'] = getToken() // 让每个请求携带自定义token 请根据实际情况自行修改
  }
  if (isToken) {
    config.headers['Authorization'] = config.headers.token
  }
  // get请求映射params参数
  if (config.method === 'get' && config.params) {
    let url = config.url + '?';
    for (const propName of Object.keys(config.params)) {
      const value = config.params[propName];
      var part = encodeURIComponent(propName) + "=";
      if (value !== null && typeof (value) !== "undefined") {
        if (typeof value === 'object') {
          for (const key of Object.keys(value)) {
            let params = propName + '[' + key + ']';
            var subPart = encodeURIComponent(params) + "=";
            url += subPart + encodeURIComponent(value[key]) + "&";
          }
        } else {
          url += part + encodeURIComponent(value) + "&";
        }
      }
    }
    url = url.slice(0, -1);
    config.params = {};
    config.url = url;
  }
  return config
}, error => {
  console.log(error)
  Promise.reject(error)
})

let tokenOut = false

// 响应拦截器
service.interceptors.response.use(res => {
  // 未设置状态码则默认成功状态
  const code = res.data.code || 200;
  // 获取错误信息
  const msg = res.data.msg || res.data.message || "未知错误"
  if (code === 401) {
    MessageBox.confirm('登录状态已过期，您可以继续留在该页面，或者重新登录', '系统提示', {
      confirmButtonText: '重新登录',
      cancelButtonText: '取消',
      type: 'warning'
    }).then(() => {
      // store.dispatch('LogOut').then(() => {
      //   // location.href = '/index';
      //   this.$router.push("/login")
      // })
    })
  } else if (code === 500) {
    // Message({
    //   message: msg,
    //   type: 'error'
    // })
    return Promise.reject(new Error(msg))
  } else if (code !== 200) {
    Notification.error({
      title: msg
    })
    return Promise.reject('error')
  } else {
    return res.data
  }
}, error => {
  let { message, response } = error;
  if (message.includes("timeout")) {
    message = "系统接口请求超时";
  } else if (response.status === 401) {
    if (!tokenOut) {
      tokenOut = true
      store.dispatch('LogOut').then(() => {
        Message.warning("登录状态已过期，请重新登录")
        setTimeout(() => {
          tokenOut = false
          router.push("/login")
        }, 1 * 1000);
      })
    }
  } else {
    if (response.data && response.data.error_description) {
      message = response.data.error_description
    }
  }
  // Message({
  //   message: message,
  //   type: 'error',
  //   duration: 5 * 1000
  // })
  return Promise.reject(error)
})

export default service
